Sydney Harbour, Balls Head Bay, shore establishment HMAS Waterhen. 16 April 2012.
See Google Earth 33°50'30.07" S 151°11'37.95" E

Y299 Royal Australian Navy Minesweeper Auxiliary.
Displacement 413 tonnes. Draught 4.2m Cruising range 4,500 NM at 10 knots.
Primary role of support to visiting warships.
Secondary role as minesweeping platform towing mechanical and influence sweeps with the occasional route survey ops.

Miramar data
DNo: 8129010 ..... Year: 1982 .....Name: GREENVILLE V.
Type: Tug ..... Flag: SGP:
Tons: 242 ..... Length overall: 29.6 ..... Beam: 8.5
Country of build: SGP ..... Builder: Mipe ..... Location of yard: Singapore
Subsequent History: 90 WALLAROO